mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-25 11:13:42 +01:00
279 lines
8.8 KiB
Go
279 lines
8.8 KiB
Go
// Copyright 2017-2018 New Vector Ltd
|
|
// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package sqlite3
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/dendrite/roomserver/storage/shared"
|
|
"github.com/matrix-org/dendrite/roomserver/storage/tables"
|
|
"github.com/matrix-org/dendrite/roomserver/types"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
const roomsSchema = `
|
|
CREATE TABLE IF NOT EXISTS roomserver_rooms (
|
|
room_nid INTEGER PRIMARY KEY AUTOINCREMENT,
|
|
room_id TEXT NOT NULL UNIQUE,
|
|
latest_event_nids TEXT NOT NULL DEFAULT '[]',
|
|
last_event_sent_nid INTEGER NOT NULL DEFAULT 0,
|
|
state_snapshot_nid INTEGER NOT NULL DEFAULT 0,
|
|
room_version TEXT NOT NULL
|
|
);
|
|
`
|
|
|
|
// Same as insertEventTypeNIDSQL
|
|
const insertRoomNIDSQL = `
|
|
INSERT INTO roomserver_rooms (room_id, room_version) VALUES ($1, $2)
|
|
ON CONFLICT DO NOTHING;
|
|
`
|
|
|
|
const selectRoomNIDSQL = "" +
|
|
"SELECT room_nid FROM roomserver_rooms WHERE room_id = $1"
|
|
|
|
const selectLatestEventNIDsSQL = "" +
|
|
"SELECT latest_event_nids, state_snapshot_nid FROM roomserver_rooms WHERE room_nid = $1"
|
|
|
|
const selectLatestEventNIDsForUpdateSQL = "" +
|
|
"SELECT latest_event_nids, last_event_sent_nid, state_snapshot_nid FROM roomserver_rooms WHERE room_nid = $1"
|
|
|
|
const updateLatestEventNIDsSQL = "" +
|
|
"UPDATE roomserver_rooms SET latest_event_nids = $1, last_event_sent_nid = $2, state_snapshot_nid = $3 WHERE room_nid = $4"
|
|
|
|
const selectRoomVersionForRoomNIDSQL = "" +
|
|
"SELECT room_version FROM roomserver_rooms WHERE room_nid = $1"
|
|
|
|
const selectRoomInfoSQL = "" +
|
|
"SELECT room_version, room_nid, state_snapshot_nid, latest_event_nids FROM roomserver_rooms WHERE room_id = $1"
|
|
|
|
const selectRoomIDsSQL = "" +
|
|
"SELECT room_id FROM roomserver_rooms"
|
|
|
|
const bulkSelectRoomIDsSQL = "" +
|
|
"SELECT room_id FROM roomserver_rooms WHERE room_nid IN ($1)"
|
|
|
|
const bulkSelectRoomNIDsSQL = "" +
|
|
"SELECT room_nid FROM roomserver_rooms WHERE room_id IN ($1)"
|
|
|
|
type roomStatements struct {
|
|
db *sql.DB
|
|
insertRoomNIDStmt *sql.Stmt
|
|
selectRoomNIDStmt *sql.Stmt
|
|
selectLatestEventNIDsStmt *sql.Stmt
|
|
selectLatestEventNIDsForUpdateStmt *sql.Stmt
|
|
updateLatestEventNIDsStmt *sql.Stmt
|
|
selectRoomVersionForRoomNIDStmt *sql.Stmt
|
|
selectRoomInfoStmt *sql.Stmt
|
|
selectRoomIDsStmt *sql.Stmt
|
|
}
|
|
|
|
func NewSqliteRoomsTable(db *sql.DB) (tables.Rooms, error) {
|
|
s := &roomStatements{
|
|
db: db,
|
|
}
|
|
_, err := db.Exec(roomsSchema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return s, shared.StatementList{
|
|
{&s.insertRoomNIDStmt, insertRoomNIDSQL},
|
|
{&s.selectRoomNIDStmt, selectRoomNIDSQL},
|
|
{&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL},
|
|
{&s.selectLatestEventNIDsForUpdateStmt, selectLatestEventNIDsForUpdateSQL},
|
|
{&s.updateLatestEventNIDsStmt, updateLatestEventNIDsSQL},
|
|
{&s.selectRoomVersionForRoomNIDStmt, selectRoomVersionForRoomNIDSQL},
|
|
{&s.selectRoomInfoStmt, selectRoomInfoSQL},
|
|
{&s.selectRoomIDsStmt, selectRoomIDsSQL},
|
|
}.Prepare(db)
|
|
}
|
|
|
|
func (s *roomStatements) SelectRoomIDs(ctx context.Context) ([]string, error) {
|
|
rows, err := s.selectRoomIDsStmt.QueryContext(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomIDsStmt: rows.close() failed")
|
|
var roomIDs []string
|
|
for rows.Next() {
|
|
var roomID string
|
|
if err = rows.Scan(&roomID); err != nil {
|
|
return nil, err
|
|
}
|
|
roomIDs = append(roomIDs, roomID)
|
|
}
|
|
return roomIDs, nil
|
|
}
|
|
|
|
func (s *roomStatements) SelectRoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error) {
|
|
var info types.RoomInfo
|
|
var latestNIDsJSON string
|
|
err := s.selectRoomInfoStmt.QueryRowContext(ctx, roomID).Scan(
|
|
&info.RoomVersion, &info.RoomNID, &info.StateSnapshotNID, &latestNIDsJSON,
|
|
)
|
|
if err != nil {
|
|
if err == sql.ErrNoRows {
|
|
return nil, nil
|
|
}
|
|
return nil, err
|
|
}
|
|
var latestNIDs []int64
|
|
if err = json.Unmarshal([]byte(latestNIDsJSON), &latestNIDs); err != nil {
|
|
return nil, err
|
|
}
|
|
info.IsStub = len(latestNIDs) == 0
|
|
return &info, err
|
|
}
|
|
|
|
func (s *roomStatements) InsertRoomNID(
|
|
ctx context.Context, txn *sql.Tx,
|
|
roomID string, roomVersion gomatrixserverlib.RoomVersion,
|
|
) (roomNID types.RoomNID, err error) {
|
|
insertStmt := sqlutil.TxStmt(txn, s.insertRoomNIDStmt)
|
|
_, err = insertStmt.ExecContext(ctx, roomID, roomVersion)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("insertStmt.ExecContext: %w", err)
|
|
}
|
|
roomNID, err = s.SelectRoomNID(ctx, txn, roomID)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("s.SelectRoomNID: %w", err)
|
|
}
|
|
return
|
|
}
|
|
|
|
func (s *roomStatements) SelectRoomNID(
|
|
ctx context.Context, txn *sql.Tx, roomID string,
|
|
) (types.RoomNID, error) {
|
|
var roomNID int64
|
|
stmt := sqlutil.TxStmt(txn, s.selectRoomNIDStmt)
|
|
err := stmt.QueryRowContext(ctx, roomID).Scan(&roomNID)
|
|
return types.RoomNID(roomNID), err
|
|
}
|
|
|
|
func (s *roomStatements) SelectLatestEventNIDs(
|
|
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
|
|
) ([]types.EventNID, types.StateSnapshotNID, error) {
|
|
var eventNIDs []types.EventNID
|
|
var nidsJSON string
|
|
var stateSnapshotNID int64
|
|
stmt := sqlutil.TxStmt(txn, s.selectLatestEventNIDsStmt)
|
|
err := stmt.QueryRowContext(ctx, int64(roomNID)).Scan(&nidsJSON, &stateSnapshotNID)
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
if err := json.Unmarshal([]byte(nidsJSON), &eventNIDs); err != nil {
|
|
return nil, 0, err
|
|
}
|
|
return eventNIDs, types.StateSnapshotNID(stateSnapshotNID), nil
|
|
}
|
|
|
|
func (s *roomStatements) SelectLatestEventsNIDsForUpdate(
|
|
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
|
|
) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error) {
|
|
var eventNIDs []types.EventNID
|
|
var nidsJSON string
|
|
var lastEventSentNID int64
|
|
var stateSnapshotNID int64
|
|
stmt := sqlutil.TxStmt(txn, s.selectLatestEventNIDsForUpdateStmt)
|
|
err := stmt.QueryRowContext(ctx, int64(roomNID)).Scan(&nidsJSON, &lastEventSentNID, &stateSnapshotNID)
|
|
if err != nil {
|
|
return nil, 0, 0, err
|
|
}
|
|
if err := json.Unmarshal([]byte(nidsJSON), &eventNIDs); err != nil {
|
|
return nil, 0, 0, err
|
|
}
|
|
return eventNIDs, types.EventNID(lastEventSentNID), types.StateSnapshotNID(stateSnapshotNID), nil
|
|
}
|
|
|
|
func (s *roomStatements) UpdateLatestEventNIDs(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
roomNID types.RoomNID,
|
|
eventNIDs []types.EventNID,
|
|
lastEventSentNID types.EventNID,
|
|
stateSnapshotNID types.StateSnapshotNID,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.updateLatestEventNIDsStmt)
|
|
_, err := stmt.ExecContext(
|
|
ctx,
|
|
eventNIDsAsArray(eventNIDs),
|
|
int64(lastEventSentNID),
|
|
int64(stateSnapshotNID),
|
|
roomNID,
|
|
)
|
|
return err
|
|
}
|
|
|
|
func (s *roomStatements) SelectRoomVersionForRoomNID(
|
|
ctx context.Context, roomNID types.RoomNID,
|
|
) (gomatrixserverlib.RoomVersion, error) {
|
|
var roomVersion gomatrixserverlib.RoomVersion
|
|
err := s.selectRoomVersionForRoomNIDStmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
|
|
if err == sql.ErrNoRows {
|
|
return roomVersion, errors.New("room not found")
|
|
}
|
|
return roomVersion, err
|
|
}
|
|
|
|
func (s *roomStatements) BulkSelectRoomIDs(ctx context.Context, roomNIDs []types.RoomNID) ([]string, error) {
|
|
iRoomNIDs := make([]interface{}, len(roomNIDs))
|
|
for i, v := range roomNIDs {
|
|
iRoomNIDs[i] = v
|
|
}
|
|
sqlQuery := strings.Replace(bulkSelectRoomIDsSQL, "($1)", sqlutil.QueryVariadic(len(roomNIDs)), 1)
|
|
rows, err := s.db.QueryContext(ctx, sqlQuery, iRoomNIDs...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectRoomIDsStmt: rows.close() failed")
|
|
var roomIDs []string
|
|
for rows.Next() {
|
|
var roomID string
|
|
if err = rows.Scan(&roomID); err != nil {
|
|
return nil, err
|
|
}
|
|
roomIDs = append(roomIDs, roomID)
|
|
}
|
|
return roomIDs, nil
|
|
}
|
|
|
|
func (s *roomStatements) BulkSelectRoomNIDs(ctx context.Context, roomIDs []string) ([]types.RoomNID, error) {
|
|
iRoomIDs := make([]interface{}, len(roomIDs))
|
|
for i, v := range roomIDs {
|
|
iRoomIDs[i] = v
|
|
}
|
|
sqlQuery := strings.Replace(bulkSelectRoomNIDsSQL, "($1)", sqlutil.QueryVariadic(len(roomIDs)), 1)
|
|
rows, err := s.db.QueryContext(ctx, sqlQuery, iRoomIDs...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectRoomNIDsStmt: rows.close() failed")
|
|
var roomNIDs []types.RoomNID
|
|
for rows.Next() {
|
|
var roomNID types.RoomNID
|
|
if err = rows.Scan(&roomNID); err != nil {
|
|
return nil, err
|
|
}
|
|
roomNIDs = append(roomNIDs, roomNID)
|
|
}
|
|
return roomNIDs, nil
|
|
}
|